001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wps/capabilities/WPSCapabilitiesDocument.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036
037 package org.deegree.ogcwebservices.wps.capabilities;
038
039 import static org.deegree.ogcwebservices.wps.capabilities.WPSOperationsMetadata.DESCRIBEPROCESS;
040 import static org.deegree.ogcwebservices.wps.capabilities.WPSOperationsMetadata.EXECUTE;
041
042 import java.io.IOException;
043 import java.net.URL;
044 import java.util.HashMap;
045 import java.util.List;
046 import java.util.Map;
047
048 import org.deegree.framework.log.ILogger;
049 import org.deegree.framework.log.LoggerFactory;
050 import org.deegree.framework.xml.XMLParsingException;
051 import org.deegree.framework.xml.XMLTools;
052 import org.deegree.ogcwebservices.getcapabilities.InvalidCapabilitiesException;
053 import org.deegree.ogcwebservices.getcapabilities.OGCCapabilities;
054 import org.deegree.ogcwebservices.getcapabilities.Operation;
055 import org.deegree.ogcwebservices.getcapabilities.OperationsMetadata;
056 import org.deegree.owscommon.OWSCommonCapabilitiesDocument;
057 import org.deegree.owscommon.OWSDomainType;
058 import org.w3c.dom.Element;
059 import org.w3c.dom.Node;
060 import org.xml.sax.SAXException;
061
062 /**
063 * WPSCapabilitiesDocument.java
064 *
065 * Creates an object representation of the sample_wps_capabilities.xml document
066 *
067 * Created on 08.03.2006. 18:57:37h
068 *
069 * @author <a href="mailto:christian@kiehle.org">Christian Kiehle</a>
070 * @author <a href="mailto:christian.heier@gmx.de">Christian Heier</a>
071 *
072 * @version 1.0.
073 *
074 * @since 2.0
075 */
076 public class WPSCapabilitiesDocument extends OWSCommonCapabilitiesDocument {
077
078 /**
079 *
080 */
081 private static final long serialVersionUID = -4004369952171016830L;
082
083 private static final ILogger LOG = LoggerFactory.getLogger( WPSCapabilitiesDocument.class );
084
085 private static final String XML_TEMPLATE = "WPSCapabilitiesTemplate.xml";
086
087 /**
088 * @throws IOException
089 * @throws SAXException
090 */
091 public void createEmptyDocument()
092 throws IOException, SAXException {
093 URL url = WPSCapabilitiesDocument.class.getResource( XML_TEMPLATE );
094 if ( null == url ) {
095 throw new IOException( "The resource '" + XML_TEMPLATE + " ' could not be found" );
096 }
097 load( url );
098 }
099
100 /*
101 * (non-Javadoc)
102 *
103 * @see org.deegree.ogcwebservices.getcapabilities.OGCCapabilitiesDocument#parseCapabilities()
104 */
105 @Override
106 public OGCCapabilities parseCapabilities()
107 throws InvalidCapabilitiesException {
108 try {
109
110 return new WPSCapabilities( parseVersion(), parseUpdateSequence(), getServiceIdentification(),
111 getServiceProvider(), getOperationsMetadata(), null );
112 } catch ( Exception e ) {
113 LOG.logError( e.getMessage(), e );
114 throw new InvalidCapabilitiesException( e.getMessage() );
115 }
116 }
117
118 /**
119 * Creates an object representation of the <code>ows:OperationsMetadata</code> section.
120 *
121 * @return object representation of the <code>ows:OperationsMetadata</code> section
122 * @throws XMLParsingException
123 */
124 @SuppressWarnings("unchecked")
125 public OperationsMetadata getOperationsMetadata()
126 throws XMLParsingException {
127
128 List operationElementList = XMLTools.getNodes( getRootElement(), "ows:OperationsMetadata/ows:Operation",
129 nsContext );
130
131 // build HashMap of 'ows:Operation'-elements for easier access
132 Map operations = new HashMap();
133 for ( int i = 0; i < operationElementList.size(); i++ ) {
134 operations.put(
135 XMLTools.getRequiredNodeAsString( (Node) operationElementList.get( i ), "@name", nsContext ),
136 operationElementList.get( i ) );
137 }
138
139 Operation getCapabilities = getOperation( OperationsMetadata.GET_CAPABILITIES_NAME, true, operations );
140 Operation describeProcess = getOperation( DESCRIBEPROCESS, true, operations );
141 Operation execute = getOperation( EXECUTE, true, operations );
142
143 List parameterElementList = XMLTools.getNodes( getRootElement(), "ows:OperationsMetadata/ows:Parameter",
144 nsContext );
145 OWSDomainType[] parameters = new OWSDomainType[parameterElementList.size()];
146 for ( int i = 0; i < parameters.length; i++ ) {
147 parameters[i] = getOWSDomainType( null, (Element) parameterElementList.get( i ) );
148 }
149
150 List constraintElementList = XMLTools.getNodes( getRootElement(), "ows:OperationsMetadata/ows:Constraint",
151 nsContext );
152 OWSDomainType[] constraints = new OWSDomainType[constraintElementList.size()];
153 for ( int i = 0; i < constraints.length; i++ ) {
154 constraints[i] = getOWSDomainType( null, (Element) constraintElementList.get( i ) );
155 }
156 WPSOperationsMetadata metadata = new WPSOperationsMetadata( getCapabilities, describeProcess, execute,
157 parameters, constraints );
158
159 return metadata;
160 }
161
162 }